TreeGridLoaded ({ /* JSONP header, to be possible to load from xxx_Jsonp data source */ 
   "Cfg" : { "id": "Alternate", "NoVScroll": "1", "NoHScroll": "1", "IdChars": "0123456789", "NumberId": "1", "MainCol": "A"   }, 
   "Cfg_2" : { "Alternate": "2", "AlternateType": "1"   }, 
   "Cols" : [ 
      { "Name": "id", "Type": "Int", "CanEdit": "0", "CanSort": "0"   }, 
      { "Name": "A", "Width": "120"   }, 
      { "Name": "B", "Width": "50", "Spanned": "1"   }, 
      { "Name": "C", "Width": "50", "Spanned": "1"   }, 
      { "Name": "D", "Width": "50"   }  
   ], 
   "Body" : [ 
      [ 
         { "id": "1", "A": "1"   }, 
         { "id": "2", "A": "2", "Expanded": "0", "Items": [
            { "id": "9", "A": "2-1", "Items": [
               { "id": "12", "A": "2-1-1"   }, 
               { "id": "13", "A": "2-1-2"   }, 
               { "id": "14", "A": "2-1-3"   }, 
               { "id": "15", "A": "2-1-4"   }  
            ]}, 
            { "id": "10", "A": "2-2"   }, 
            { "id": "11", "A": "2-3", "Items": [
               { "id": "16", "A": "2-3-1"   }, 
               { "id": "17", "A": "2-3-2"   }, 
               { "id": "18", "A": "2-3-3"   }  
            ]}, 
         ]}, 
         { "id": "3", "A": "3"   }, 
         { "id": "4", "A": "4", "BRowSpan": "3", "AlternateColor": "#CEF", "Color": "#EEE"   }, 
         { "id": "5", "A": "5", "CRowSpan": "3", "AlternateColor": "#EBC", "Color": "#FCD"   }, 
         { "id": "6", "A": "6"   }, 
         { "id": "7", "A": "7"   }, 
         { "id": "8", "A": "8"   }  
      ], 
   ], 
   "Header" : { "id": "id"   }, 
   "Toolbar" : { "Cells75": "Alt", "Indent": "0", "Outdent": "0", "Help": "0", "Debug": "0", "CollapseAll": "0", "ExpandAll": "0", "Columns": "0", "Add": "0", "AddChild": "0", 
      "AltLabel": "<span style='color:gray;'>Alternate:</span>", "AltType": "Button", "AltWidth": "50", "Alt": "Even", "AltSwitch": "1", "AltList": "|Even|Third|Fourth|Fifth", "AltPopupIcon": "2", 
      "AltOnChange": "Grid.Alternate={Even:2,Third:3,Fourth:4,Fifth:5}[Value]; Grid.ReColor();"  
       }, 

   "Media" : [ 
      { "Style": "TB", 
         "Rows" : [ 
            { "id": "4", "AlternateColor": "#123", "Color": "#222"   }, 
            { "id": "5", "AlternateColor": "#421", "Color": "#532"   }  
         ], 
      }, 
   ], 
}) /* End of JSONP header */ 